On immune cells, Toll-like receptors are capable of detecting infections just like a sniffer dog, using special sensors known as Toll-like receptors, or TLRs for short. But what signals activate TLRs, ...

Toll-like receptors, or TLRs, are the immune system’s early warning sensors. They detect microbial invaders and damage signals, helping the body mount a defense. But when TLR signaling veers off ...